Mô-đun đầu vào DCS RTD / POT Yokogawa AAR181-S00
Thông số kỹ thuật chính
| Items | Specifications | |
| Model | AAT141 | AAR181 |
| Number of input channels | 16, isolated (*7) | 12, isolated |
| Input signal | TC: JIS C1602:1995, IEC584:1995 Type J, K, E, B(*1), R, S, T, N mV: -100 to 150 mV, -20 to 80 mV |
RTD: JIS C1604:1997, IEC751:1995 Pt100 (3-wire type)(*6) |
| Switching input signals | TC/mV can be set individually for CH1 to CH16. | CH1 to CH12 are RTD inputs. |
| Allowable input voltage | ±5 V | ±5 V |
| Withstanding voltage | Between input and system: 1500 V AC, for 1 minute | |
| Input resistance | Power ON 2 MΩ or larger | |
| Power OFF 2 MΩ or larger | ||
| Accuracy | TC: ±30 μV MV: ±80 μV for span (-100 to 150 mV) ±30 μV for span (-20 to 80 mV) |
RTD: ±120 mΩ |
| Allowable total resistance of signal source plus wiring |
1000 Ω or less | 40 Ω or less (wiring resistance per wire) (*2) |
| Effect of allowable signal source resistance (1000 Ω) |
±20 μV(*3) | |
| Reference junction compensation accuracy |
Within ±1 °C (*4) (*5) | |
| Measurement current | RTD: 1 mA | |
| Temperature drift | ±80 μV/10 °C (-100 to 150 mV input) ±30 μV/10 °C (TC/-20 to 80 mV input |
±120 mΩ/10 °C (RTD input) |
| Data update period | 1 s | |
| Burn-out | All channels can be set together. Setting: Not available/available (UP/DOWN) Detection time: 60 s |
|
| Maximum current consumption | 450 mA (5 V DC) | 450 mA (5 V DC) |
| Weight | 0.2 kg | |